Storage-battery cell



Judy E 1924.

, 1,499,903 R. J. ANDERSON STORAGE BATTERY CELL Filed June 5, 1922 2 Sheets-Sheet l 2c; 2 a/ NWS/#Ton fm @@MPM- TToR/ve r6 34 33 ,Raaf/f7' JNDEnJo/v' 2 swam-gnam R J. NRSCBN STORAGE BATTERY CELL Filed Jun@ 5, 1922 zy/f Ill

TToR/x/Ers HENRY WJASHBRN, U3?

To all whom it may concern:

Be it known that l, Rosen J. ANDERSON, e citizen of the nited States, iesicieut oi' Mimieepolis, county of Hennepin, emi State of Minnesota, have invented certain new and useful improvements io. Storage-Eet- 'tery Cells, oyW-liioli the foii'owiog is e speeiioetiou.

This invention ieietes to new oud useful improvements in e, ceii foi eieetiie seeoiidery-or sto "ege batteries, and more particum leily rela-tes to suoli oeils empioyei iu con junction With liquid eieetroiyte.

The cepa-city o-i.4 storage eeiis or batteries is measured in ampere houis and the elierge and ciiseliaigera Veiies substantially eeeordiug to the sui-fece epee of' positive soiface exposed to the action of the eieotroivte. n present forms ofi" suoi; CelisE the ieed piste is in most generaluse. The negetive plete is composed of leed sponge supported by e grid of' pure leed.7 and the positive pizite consists usually o ieafl peroxide iii e simi im' nimmer. The etteiiiu'leiit oi outn 25v put necessitates large pitite surfaces which in tum euteiis excessive eight in this impioved eeii the estive me is so treated that en equei Weight oi teiiei provides a greatly ioeieesefi sur exposure to the action of the liquiti electro iyte with the iesuiteut increase of emperege output. in eeeoicieooe with this inve-o tion, the active moteiieis sie broken up into smeii particles such, for exemple, es off gleuf oler form, The negative materiali is pies-eti iu one compartment Whiie the positive oie- 'Lerial is placed in e seperate compartment, the two compartments oi a Ceii iieiL-og so ooustiioted and heid that tile eieetoiyte .muy Yeely fmove 'from one comoeitmeiit to the other without movement of the ig-resilier materiele. Tlius,y th the positive and negetive m eteriel patieies me uily suifiou'ude. with the eieeti'oijyte and -iiee oireuietiou thereof is provided so that greatly iuoieesefi aree is exposed for eieetoiytie eetioe sufi the emperage output of the ceii is eue? meuted.

Eioediy considered, each oeil is provided i@ vwith an iutezioi Well or separator ciiviiofg leei iut-otWo eompeiftm Witi iu one which is eoiiteiied t ,Mii-1e fiertieies fiile tiie other iioitis the pos tite peitieies. e Weil oi sepemtoi' is p i feiiiy feeiy us so that the iiquiel Y ijfte may ieeciiiy pees from one compartment to the otliei, These perviene partitions may be of Wood or fubber sheets ifitl meuf; smell apertures or peri'oietious, asbestos Wool or eiotii prepared in e manner suitable to give porosity to the partition t0 permit the desieci passe-ge oi the eieotrolyte. The arti- @les in the two eompertments ere he d in mutueiig insulated position by forming the eeii easing end the partition o' insulating materiel. A eouoluetoiv is intiotiuced into eeeii eompei'tuient in Contact with the re speotiveiif,eontitiiied mess of peitioies 'and a binding post may be conueoteci to each such conductor emi thus provicie the termi- The object theieiore'oi' this invention is to provide en improved secondary or storeffe oeil ce. n. i l, i v oogeot oi poviie e eeii having this invention is to mesh higher empei'ege output t". este oe oiiteine from` et the present time of equei l. i object is ozovicie e oeil c, enti simple eoosiluction emi .t fieuoy. Y objects oi the invention Wiii moie fulij; appear from the oiiowiiog description emi the accompanying timwiiigs anni will be 'pointed out in the annexed eieims.

'ii the accompanying eimwiiigs these has i1 tiiseiosed a structuie designed to Corry o:4 the oojects of the iuven'tio i./ 1out it is to uuierstooli tiie iuveotio is not oonto the exeet feetuies own es veiious eiieii ys met' be mede W: iu the Scope of the ein] w in the tiietviues:

e igiii'e l is e pertmi seetiouei View on the ime 1,-1 oi Figure Q showing e storage bei eoiiipifismgjg two eeiis;

' ,eure is pieu View; oi the seme showing' the 'method of Connecting tite .positive emi negative grid pistes of tiie two .eeiisg iiigjue 3 is e tiziiisifeise seetioiiei View on the iioe 3 3 of Wcure showing one ott the positive grids;

Figure 1i; is a pei'soeetive View of one of tile oeil eesiugs aofi tiie eoveioi seine; and

Figure 5 is e tieiisi vrse sectional View o sssemioie oeil siio. lng); the Iiiii'eieut eiem iii tii iiq relative pl'ees.

1 :i C' iis i :eroi/*eri type mpio-yeti, i eustomeif' .iii this elo ion

art toemploy two or more cells to constitute a battery. And, for purposes of clear explanation of this invention, there are here shown two of the novel cells so employed. The vhousing 6, which is preferably of wood is adapted snugly to receive a container 7 provided with a cover plate 8 which rests upon the upper edge of the container and also upon an upwardly presented shoulder 9 formedby cutting away the inner faces of the upper ortions of the walls of the housingas is s own in Figure 3. This cover plate 8 not only functions to close the containerbu-t also to close the housing. 'The container and cover plate may be made of any suitable non-conducting material such as hard-rubber, glass, etc., hard-rubber bereferably employed.

ileone or more of the novel cells may be employed to constitute this improved battery, there are here shownjtwo such cells which are placed in spaced relation within the container 7. rl`he cells are similar and each consists of a casing -11 havin a cover 12 adapted to be seated upon a le ge 13 inte lly provided adjacent the upper edges o the casing walls byJ- inte'riorly cutting away Va portion of eacho'asing wall. Each cell is substantially separated into three compartments by two. perforated partitions or separators 14. These separators may be formed of any suit-able non-conducting material'such as wood or hard-rubber. A pair of these separators is placed, as shown in Figure 5, within a casing-11 with their lower edges resting upon the bottom of the casing and extending upwardly to the horizontal plane of the ledge 13'. Hence, when the cover 12 is positioned, it not only rests u on the ledge 13 but also upon the upper e s of the two spaced separators.

he materials used in connection with the negative and positive sides of the cell may be any or i those commonly used and may be here termed the negative materiale-nd thepositive material, but in accordance with this inventionthese materials are employed in comminuted form, such as small particles or granules which form may be termed granular Sor convenience of reference. The two outer compartments 15 are substantially filled, as indicated in the drawings, with the negative granular material 16 while the middle compartment 17 is similarly illed with the granular positive material 18. iquid electrolyte 19 of Aa kind adapted for use with the selected negative and positive materials is poured within theoell casing 11. The two separators 1li here shown are ofzwood each having a plurality of perforations 21 to permit free passage and circulation of the electrolyte from and to the three compartments. Means'are introduced within each of the three compartments to effect 'Contact with the granular vI naterial and neeaeoif within the middle compartment. while the j negative grids 23 and 24 are respectively positioned within the two outer compartments 15. I

A post 25 is electrically connected to each of the outer grids (see Figure 2) and, projecting through the cell cover 12 are electrically joined by a connector 26. A terminal post 27 is connected to one of the negative grids and, if a cell is singly employed, another post may similarly be connected to the middle or positive grid. However, as here shown, two novel cells-are shown as joined to constitute a battery. In such case, the side walls of each cell 11 have a plurality of perforations 28 as best. shown in Figure 1. a staggered relation to each other and thus the electrolyte held within the housing 6 may Jfreely circulate through all compartments of both cells` Furthermore, when employed as a battery, all grid posts project through both the cell covers 12 and the housing cover plate 8. ln such battery connection, the other terminal post 29 is connected to the positive grid of the other cell and the two positive grids are A provided with upwardlyprojccting posts- 31 joined by an electrical connector 32. The outer negative grids of each cell are thus joined together by connectors 26 and 'fthe adjacent negative grids of adjacent cellsy are provided with binding posts 83 which are electrically joined by a connector 34.

eol

35 Preferably these perforations bear Each individual cell is preferably sealed,

after emplacement of both materials .and the three grids, preferably by pouring a sealing compound 35 of any suitable material such. as `tar or asphalt, over the cover top thus not only hermetically sealing the cover in place but also closing any space around the stems of the posts which project titioning means being pervious to permit circulation of the electrolyte, positive material. 1n one compartment and negative materialin4 the other compartment whereby the two materials are insulated from each other and the electrolyte may freely circulate therebelill tween, the positive material being in loosely divided form whereby a relatively large surface is presented to the electrolyte, a grid means extending into each compartment in engagement with the contained material, and a cell terminal provided by each grid means.

2. secondary cell having a casing of in snlating material adapted to contain a liquid electrolyte, a cover therefor, partitioning means of insulating material extending from the casing base to the cover to separate the casing into covered compartments, said partitioning means being pervious to permit circulation of the electrolyte, positive material in one compartment and nega-tive material in the other compartment whereby the two ma* terials are insulated from each other and the electrolyte may freely circulate therebetween, both said materials being in loosely divided form whereby relatively large surfaces of the materials are presented to the electrolyte, a grid means extending into eachv compartment in engagement with the contained material, and a cell terminal provided by each grid means.

A secondary cell having a casing of insulating material adapted to contain a liquid electrolyte, a cover therefor, partitioning means ofinsulating material extending from the casing base to the cover to separate the casing into covered compartments, said partitioning means being pervious to permit circulaeon the electrolyte, positive material in one compartment and negative ma terial in the other two compartments whereby the materials are insulated from each other and the electrolyte may .freely circu late therebetween, all said materials being in loosely divided form whereby relatively large surfaces of the materials are presented to the electrolyte, a 'grid means extending into each compartment in engagement with the contained material, 'means electrically to connect the two grids in engagement with the negative material, and cell terminals provided by the positive grid and one of the negative grids` A secondary cell having a casing of insulating material adapted to contain a liquid electrolyte, a cover therefor, a partition of insulating material extending from the casing base to the cover to separate the casing into covered compartments and pervioiis to permit circulation of the electrolyte. positive material in one compartment and negative material in the other compartment whereby the two materials are terminal provided by each grid means.

5. A secondary cell having a casing of insulating material adapted to contain a liquid electrolyte, a cover therefor, a partition of insulating material extending from the casing base to the cover to separate the casing into covered compartments and pervious to permit circulation of the electrolyte, positive material in one compartment and negative material in the other compartment whereby the two materials are insulated from each other and the electrolyte may freel circulate therebetween, both said materials being in granular form whereby relatively' large surfaces of the materials are presented to the electrolyte, grid plates eX- tending into each compartment in engagement with the contained material, said plates being perforated to permitl the circulation of electrolyte therethrough, and a cell terminal provided by each grid plate.

6.. A secondary cell having a casing of insulating material adapted to contain a liquid electrolyte, partitioning means of insulating material to separate the casing into compartments, said partitioning means being pervious to permit circulation of the electrolyte, positive material in one compartment and negative material in the other compartment whereby the two materials are insulated from each other and the electrolyte may freely circulate therebetween, the positive material being in loosely divided form whereby a relatively large surface is presented 'to the electrolyte, a grid means extending into eachv compartment in engagement with the contained material, a cell terminal provided by each grid means, and said cell casing being perfor-ate whereby a plurality of said cells may be positioned Within an imperforate battery housing containing electrolyte whereby the electrolyte may pass to each compartment of each cell.

ln witness whereof, I have hereunto set my hand this 26th day of May 1922.

ROBERT JAMES ANDERSON 

